CN217406391U - Converter mainboard with protective housing - Google Patents

Abstract

The utility model provides a frequency converter mainboard with protective housing, including frequency converter mainboard body, frequency converter mainboard body includes upper casing, lower casing and mainboard structure, coupling mechanism is installed to the bottom of upper casing, the centre of coupling mechanism is provided with the bracing piece, the surface cover of bracing piece is equipped with the dwang, dwang and mainboard structure fixed connection, lower casing is installed in the below of mainboard structure, the inboard of lower casing is installed supporting spring, shelters from the protection to the mainboard structure of inside respectively through upper casing and lower casing, can play certain waterproof dustproof nature to both sides, and can directly carry out the wiring operation under the condition of not opening after aligning through breach and wiring port, carry out fixed connection at the edge of circuit mainboard and linking frame, recycle two rubber strips and laminate each other, the side of the circuit main board except the wiring port can be completely sealed, and the waterproofness is further improved.

Description

Converter mainboard with protective housing

Technical Field

The utility model relates to a converter mainboard technical field specifically is a converter mainboard with protective housing.

Background

The converter is inside can produce great electric current in the use, consequently, need carry out certain protection to the circuit mainboard of inside, avoid the mainboard because the erosion that receives liquid or dust leads to the condition of circuit short circuit, in the prior art, only protect the mainboard through converter equipment main part casing portion, this mode simple structure, can only realize certain waterproof nature to the liquid of bottom infiltration after with inside mainboard installation, in case the converter shell is impaired, then can't block the liquid that comes from the top, lead to the guard effect relatively poor, and install the back through the screw, whole mainboard structure lacks effectual buffering, thereby can produce rigid collision and produce great impact force after receiving the striking, make the probability that inside produced the trouble increase.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a converter mainboard with protective housing to solve the problem that proposes in the above-mentioned background art, the utility model discloses life is longer, and waterproof dustproof effect is better, and it is more convenient to connect the operation.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a converter mainboard with protective housing, includes converter mainboard body, converter mainboard body includes casing, lower casing and mainboard structure, coupling mechanism is installed to the bottom of going up the casing, coupling mechanism's centre is provided with the bracing piece, the surface cover of bracing piece is equipped with the dwang, dwang and mainboard structure fixed connection, the below at mainboard structure is installed to the casing down, supporting spring is installed to the inboard of casing down, second connecting plate and first connecting plate are installed respectively to the rear end of going up casing and lower casing.

Furthermore, a notch is formed in one side of the upper shell, a spongy cushion is mounted on the inner side of the upper shell, a top rubber strip is attached to the top end of the spongy cushion, and the connecting mechanism is mounted on the inner side of the bottom of the upper shell.

Furthermore, one side of the first connecting plate is arranged to be of an arc-shaped surface structure, the side of the second connecting plate is of a rectangular structure, and the top of the top rubber strip is flush with the side of the upper shell.

Further, coupling mechanism includes support and spring beam, the surface at the spring beam is established through the lift cover barrel cover at the both ends of bracing piece, the protruding axle is installed in the outside of support, the dwang drives the one end of mainboard structure and rotates around the bracing piece.

Furthermore, the connecting mechanism comprises two opposite supports, two convex shafts are mounted on the outer side of each support, and the upper shell and the lower shell are respectively sleeved on the surfaces of the corresponding convex shafts through holes formed in the surfaces of the second connecting plate and the first connecting plate.

Furthermore, every the surface of spring beam all overlaps and is equipped with two sets of springs, and the both ends of every lifting sleeve all with spring beam surface spring one end fixed connection.

Further, the mainboard structure includes circuit mainboard and wiring port, the outside subsides of circuit mainboard are equipped with ceramic insulating strip, ceramic insulating strip's the outside is provided with connecting frame, connecting frame's top subsides are equipped with the bottom rubber strip.

Further, go up the casing and push down the back, go up the breach and the wiring port of casing one side and align to each other, and go up the inboard top rubber strip of casing and laminate mutually with bottom rubber strip, circuit board's bottom and supporting spring's top swing joint.

The utility model has the advantages that: the utility model discloses a converter mainboard with protective housing, including converter mainboard body, converter mainboard body includes casing, lower casing, coupling mechanism, mainboard structure, wiring port, supporting spring, breach, foam-rubber cushion, top rubber strip, second connecting plate, first connecting plate, support, spring beam, bracing piece, lifting sleeve, dwang, protruding axle, circuit board, ceramic insulation strip, linking frame, bottom rubber strip.

1. This converter mainboard with protecting sheathing shelters from the protection through last casing and casing respectively to the mainboard structure of inside, can play certain waterproof dustproof performance to both sides homoenergetic, and can directly carry out the wiring operation under the condition of not dismantling through breach and wiring port after aligning.

2. This converter mainboard with protective housing supports the mainboard structure through supporting spring in the bottom of casing down, and the foam-rubber cushion at top and the spring beam of rear end are deuterogamied, can all can play good buffering effect to the both ends of mainboard about the side, have improved the protectiveness.

3. This converter mainboard with protecting sheathing carries out fixed connection through ceramic insulating strip and linking frame at the edge of circuit mainboard, recycles two rubber strips and laminates each other, can be with except that one side of wiring port is sealed completely, has further improved waterproof nature.

Drawings

Fig. 1 is a schematic structural diagram of an external shape of a frequency converter main board with a protective housing according to the present invention;

fig. 2 is a schematic structural diagram of an upper shell part of a main board of a frequency converter with a protective shell according to the present invention;

fig. 3 is a schematic structural diagram of a connection mechanism portion of a main board of a frequency converter with a protective housing according to the present invention;

FIG. 4 is a partial enlarged view of a main board structure of a frequency converter main board with a protective housing according to the present invention;

in the figure: 1. an upper housing; 2. a lower housing; 3. a connecting mechanism; 4. a motherboard structure; 5. a wiring port; 6. a support spring; 7. a notch; 8. a sponge cushion; 9. a top rubber strip; 10. a second connecting plate; 11. a first connecting plate; 12. a support; 13. a spring lever; 14. a support bar; 15. a lifting sleeve; 16. rotating the rod; 17. a protruding shaft; 18. a circuit main board; 19. a ceramic insulating strip; 20. a connecting frame; 21. a bottom rubber strip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a frequency converter mainboard with a protective shell comprises a frequency converter mainboard body, wherein the frequency converter mainboard body comprises an upper shell 1, a lower shell 2 and a mainboard structure 4, a connecting mechanism 3 is installed at the bottom end of the upper shell 1, a supporting rod 14 is arranged in the middle of the connecting mechanism 3, a rotating rod 16 is sleeved on the surface of the supporting rod 14, the rotating rod 16 is fixedly connected with the mainboard structure 4, the lower shell 2 is installed below the mainboard structure 4, a supporting spring 6 is installed on the inner side of the lower shell 2, a second connecting plate 10 and a first connecting plate 11 are respectively installed at the rear ends of the upper shell 1 and the lower shell 2, the mainboard can shield and protect the mainboard structure 4 through the upper shell 1 at the top and the lower shell 2 at the bottom, when the mainboard is installed, the lower shell 2 is fixedly installed in frequency converter equipment, and then the upper shell 1 is directly pressed downwards, use current tool to lock equipment to fix last casing 1 and lower casing 2, can utilize inboard spring structure and 8 parts of foam-rubber cushion to fix mainboard structure 4 at the intermediate position of two casings with the horizontally form, after last casing 1 closes, the breach 7 of going up casing 1 one side can align with the wiring port 5 of mainboard structure 4 one end, and wiring port 5 is located the inboard of breach 7, and the wire rod of connecting has certain toughness, consequently follow-up in-process that cushions through the spring and rock, wiring port 5 can not receive the blockking of 1 breach 7 position of last casing, consequently still can directly connect outside wire rod through breach 7 department after closing, after receiving vibrations in the use, can cushion mainboard structure 4 trend of assaulting downwards through the cooperation of spring beam 13 and the supporting spring 6 of front end, cooperate through spring beam 13 and 8 at top can be to the trend machine of mainboard structure 4 upwards assaulting The box is buffered, and then the bidirectional buffering effect is realized.

In this embodiment, a notch 7 is formed in one side of the upper housing 1, a foam rubber cushion 8 is installed on the inner side of the upper housing 1, a top rubber strip 9 is attached to the top end of the foam rubber cushion 8, the connecting mechanism 3 is installed at the inner side position of the bottom of the upper housing 1, one side of the first connecting plate 11 is provided with an arc-shaped surface structure, the side of the second connecting plate 10 is of a rectangular structure, the top of the top rubber strip 9 is flush with the side of the upper housing 1, the length, width and height of the upper housing 1 and the height of the lower housing 2 are the same, the first connecting plate 11 is arranged at the bottom end of the upper housing 1, the upper housing 1 can be pressed on the top of the lower housing 2 by rotating the first connecting plate 11 at the two sides of the connecting mechanism 3, the side of the second connecting plate 10 at the rear end of the lower housing 2 is of a rectangular structure, the side of the first connecting plate 11 at the rear end of the upper housing 1 is of an arc-shaped surface structure, so that the upper housing 1 can be directly rotated and pulled down to attach the opening parts of the two housings, and utilize the foam-rubber cushion 8 and the top rubber strip 9 of the inboard of last casing 1 to push down it after the surface contact with mainboard structure 4 to compress the supporting spring 6 of bottom, realize accomodating the effect.

In this embodiment, the connecting mechanism 3 includes the support 12 and the spring rod 13, the surface of the spring rod 13 is sleeved at the two ends of the support rod 14 through the lifting sleeve 15, the protruding shaft 17 is installed at the outside of the support 12, the one end of the main board structure 4 driven by the rotating rod 16 rotates around the support rod 14, the connecting mechanism 3 includes two opposite supports 12, and two protruding shafts 17 are installed at the outside of each support 12, the upper casing 1 and the lower casing 2 are respectively sleeved on the surface of the corresponding protruding shaft 17 through the holes formed on the surfaces of the second connecting plate 10 and the first connecting plate 11, the connecting mechanism 3 is connected with each other through the middle support rod 14 and the spring rod 13, and the protruding shaft 17 at the outside is respectively assembled with the upper casing 1 and the lower casing 2, so as to provide a rotating effect for the upper casing 1 and the lower casing 2, the support rod 14 through the intermediate connection can be sleeved on the surface of the support rod 14 through the rotating rod 16 with the main board structure 4, and make mainboard structure 4 have the function that can rotate around bracing piece 14 equally through dwang 16, because the supporting spring 6 of lower casing 2 rear end does not with the bottom fixed connection of mainboard structure 4, therefore mainboard structure 4 is carrying out the pivoted in-process, can not receive the restriction of rear end supporting spring 6, when rotating downwards, can through carrying out the compression and then realize the buffer function with supporting spring 6 contact back.

This embodiment, every the surface of spring beam 13 all is equipped with two sets of springs, and every lifting sleeve 15's both ends all with 13 surface spring one end fixed connection of spring beam, bracing piece 14 can reciprocate on the surface of spring beam 13 through the lifting sleeve 15 at both ends, and then drive mainboard structure 4 and can realize the effect of rocking from top to bottom in the certain extent in step, elasticity through 15 both ends spring beam 13 surface spring of control lifting sleeve, the pressure phase-match that produces after pushing down again with rear end area supporting spring 6 and top, can make whole mainboard structure 4 be in the horizontality after 1 pushes down last casing, and utilize supporting spring 6 after suffering vibrations when along with using, the spring beam 13 of foam-rubber cushion 8 and rear end, can all can play good buffering to the both ends upper and lower sides of mainboard.

In the embodiment, the main board structure 4 comprises a circuit main board 18 and a wiring port 5, a ceramic insulating strip 19 is attached to the outer side of the circuit main board 18, a connecting frame 20 is arranged on the outer side of the ceramic insulating strip 19, a bottom rubber strip 21 is attached to the top of the connecting frame 20, after the upper shell 1 is pressed down, a notch 7 on one side of the upper shell 1 is aligned with the wiring port 5, a top rubber strip 9 and a bottom rubber strip 21 on the inner side of the upper shell 1 are attached to each other, the bottom end of the circuit main board 18 is movably connected with the top of the supporting spring 6, the outer side of the circuit main board 18 is fixed into a whole with the external connecting frame 20 through the ceramic insulating strip 19 in the main board structure 4, the bottom rubber strip 21 is attached to the top of the connecting frame 20, after the upper shell 1 is pressed down, the top rubber strip 9 and the bottom rubber strip 21 can be contacted and attached to each other, and then three sides except one side of the wiring port 5 are completely sealed, the waterproof performance is further improved, and the supporting spring 6 at the bottom is also contacted with the bottom of the connecting frame 20, so that the supporting spring 6 can be prevented from generating certain influence on the circuit main board 18 body.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (8)

1. The utility model provides a converter mainboard with protective housing, includes converter mainboard body, its characterized in that: converter mainboard body includes casing (1), casing (2) and mainboard structure (4) down, coupling mechanism (3) are installed to the bottom of going up casing (1), the centre of coupling mechanism (3) is provided with bracing piece (14), the surface cover of bracing piece (14) is equipped with dwang (16), dwang (16) and mainboard structure (4) fixed connection, the below at mainboard structure (4) is installed in casing (2) down, supporting spring (6) are installed to the inboard of casing (2) down, second connecting plate (10) and first connecting plate (11) are installed respectively to the rear end of going up casing (1) and casing (2) down.

2. The frequency converter main board with the protective casing according to claim 1, characterized in that: a notch (7) is formed in one side of the upper shell (1), a sponge pad (8) is mounted on the inner side of the upper shell (1), a top rubber strip (9) is mounted on the top end of the sponge pad (8), and the connecting mechanism (3) is mounted on the inner side of the bottom of the upper shell (1).

3. The frequency converter main board with the protective casing according to claim 2, characterized in that: one side of the first connecting plate (11) is arranged to be of an arc-shaped surface structure, the side edge of the second connecting plate (10) is of a rectangular structure, and the top surface of the top rubber strip (9) is flush with the side edge of the upper shell (1).

4. The frequency converter main board with the protective casing according to claim 2, characterized in that: coupling mechanism (3) include support (12) and spring beam (13), the surface at spring beam (13) is established through lifting sleeve (15) cover at the both ends of bracing piece (14), protruding axle (17) are installed in the outside of support (12), dwang (16) drive the one end of mainboard structure (4) and rotate around bracing piece (14).

5. The frequency converter main board with the protective casing according to claim 4, wherein: the connecting mechanism (3) comprises two opposite supports (12), two convex shafts (17) are mounted on the outer side of each support (12), and the upper shell (1) and the lower shell (2) are sleeved on the corresponding convex shafts (17) through holes formed in the surfaces of the second connecting plate (10) and the first connecting plate (11) respectively.

6. The frequency converter main board with the protective casing of claim 5, wherein: every the surface of spring beam (13) all is equipped with two sets of springs, and the both ends of every lifting sleeve (15) all with the one end fixed connection of spring beam (13) surface spring.

7. The frequency converter main board with the protective casing according to claim 4, wherein: mainboard structure (4) are including circuit mainboard (18) and wiring port (5), the outside subsides of circuit mainboard (18) are equipped with ceramic insulating strip (19), the outside of ceramic insulating strip (19) is provided with linking frame (20), the top subsides of linking frame (20) are equipped with bottom rubber strip (21).

8. The frequency converter main board with the protective casing of claim 7, wherein: go up casing (1) back of pushing down, go up breach (7) and wiring port (5) alignment of casing (1) one side, and go up the inboard top rubber strip (9) of casing (1) and laminate mutually with bottom rubber strip (21), the bottom of circuit mainboard (18) and the top swing joint of supporting spring (6).

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